EEU-EE2D331 Equivalent & Substitute Parts

Part Overview

The EEU-EE2D331 is a 330 µF, 200 V aluminum electrolytic capacitor in radial, can package manufactured by Panasonic Electronic Components. This component is rated for 10,000 hours at 105°C and is designed for general-purpose applications. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing system support and new designs requiring this capacitance and voltage specification.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	200 V
Tolerance	±20%
Lifetime @ Temperature	10,000 Hrs @ 105°C
Operating Temperature Range	-25°C ~ 105°C
Polarization	Polar
Lead Spacing	0.295" (7.50 mm)
Package Type	Radial, Can
Mounting Type	Through Hole

Substitute Part Grouping Explanation

Substitution for the EEU-EE2D331 is determined by the following critical parameters: capacitance (330 µF), voltage rating (200 V minimum), tolerance (±20%), package type (radial, can), lead spacing (0.295" / 7.50 mm), and mounting type (through hole). Parts meeting these core electrical and mechanical specifications are functionally equivalent.

The substitute parts are grouped into two categories:

Direct Equivalents (Same Voltage Rating): Parts with 200 V voltage rating and identical mechanical dimensions maintain full compatibility with the original design without circuit modification.

Upgraded Substitutes (Higher Voltage Rating): Parts with 250 V voltage rating exceed the original specification and provide enhanced reliability margins. These are electrically compatible in applications designed for 200 V operation, as they maintain the same capacitance, tolerance, and physical footprint while offering improved voltage headroom.

Parameter Comparison

Parameter	EEU-EE2D331	EEU-ED2D331	UCS2D331MHD	EKXJ251ELL331MM40S	UCY2E331MHD9
Manufacturer	Panasonic	Panasonic	Nichicon	Chemi-Con	Nichicon
Series	EE-A	ED-A	UCS	KXJ	UCY
Capacitance	330 µF	330 µF	330 µF	330 µF	330 µF
Voltage Rating	200 V	200 V	200 V	250 V	250 V
Tolerance	±20%	±20%	±20%	±20%	±20%
Lifetime @ 105°C	10,000 Hrs	10,000 Hrs	10,000 Hrs	12,000 Hrs	12,000 Hrs
Operating Temperature	-25°C ~ 105°C	-25°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Lead Spacing	0.295" (7.50 mm)	0.295" (7.50 mm)	0.295" (7.50 mm)	0.295" (7.50 mm)	0.295" (7.50 mm)
Height - Seated (Max)	1.654" (42.00 mm)	1.575" (40.00 mm)	1.457" (37.00 mm)	1.634" (41.50 mm)	1.634" (41.50 mm)
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Product Status	Obsolete	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Same Voltage Rating):

The EEU-ED2D331 (Panasonic ED-A series) and UCS2D331MHD (Nichicon UCS series) are direct electrical equivalents with 200 V voltage rating. Both are ROHS3 compliant and maintain identical capacitance and tolerance specifications. The EEU-ED2D331 is obsolete but available in inventory. The UCS2D331MHD is active production and recommended for new designs requiring 200 V operation with extended component availability.

For Upgraded Performance (Higher Voltage Rating):

The EKXJ251ELL331MM40S (Chemi-Con KXJ series) and UCY2E331MHD9 (Nichicon UCY series) provide 250 V voltage rating with extended lifetime (12,000 hours at 105°C) and expanded operating temperature range (-40°C to 105°C). Both are active production parts with ROHS3 compliance. The EKXJ251ELL331MM40S carries AEC-Q200 automotive qualification. These upgrades are suitable for applications requiring enhanced reliability margins or automotive-grade components.

Frequently Asked Questions (FAQ)

Q: Can I use a 250 V rated capacitor in place of a 200 V rated capacitor?

A: Yes. The EKXJ251ELL331MM40S and UCY2E331MHD9 with 250 V ratings are electrically compatible in circuits designed for 200 V operation. Higher voltage rating provides additional safety margin and does not degrade circuit performance.

Q: Are all substitute parts mechanically compatible with the original PCB layout?

A: All substitute parts maintain the same lead spacing (0.295" / 7.50 mm) and radial, can package type. Height variations exist: the original EEU-EE2D331 is 1.654" (42.00 mm), while substitutes range from 1.457" to 1.634". Verify clearance in your specific PCB layout, particularly for height-constrained applications.

Q: Which substitute part is recommended for new designs?

A: The UCS2D331MHD (Nichicon, active production, 200 V) is recommended for general-purpose applications requiring direct electrical equivalence. For applications requiring enhanced reliability or automotive qualification, the UCY2E331MHD9 (Nichicon, 250 V, active production) or EKXJ251ELL331MM40S (Chemi-Con, 250 V, AEC-Q200) are preferred.

Q: What is the difference between the EEU-ED2D331 and EEU-EE2D331?

A: Both are Panasonic 330 µF, 200 V aluminum electrolytic capacitors with identical electrical specifications. The EEU-ED2D331 (ED-A series) has a slightly lower height (1.575" vs. 1.654") and lower ripple current ratings. Both are obsolete; active production alternatives are recommended.

Q: Are these parts suitable for automotive applications?

A: The EKXJ251ELL331MM40S carries AEC-Q200 automotive qualification and is suitable for automotive applications. The other substitutes are general-purpose rated and should be evaluated against specific automotive requirements if needed.

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